Php basic tutorial-2 create a template and process a form

Php basic tutorial-2 create a template and process Form 1. create a template:

Copy the frequently-seen part of the page to an html or php file, and introduce it using the require ()/include () function in the original page.

Example:

SOURCE html:

   
  test  
This is the foot of the document
  

Copied header: header.html:

   
  test  

Copy tail: footer.html:

This is the foot of the document
  

Merging Template: ws. php

II. process the form ?? Allows a page to display and process forms simultaneously

Conditional statement:

If (form submission) {processing form}

Else {display form}

Example: Simple user name-password verification

Enter: user name: YF password: 123456

Display: Login successful

Cut chart:

Code: ws.php (header.html?footer.html references the template above ):

  logged in !
';}else {print '
 name or password is worry!
';}}else {print '
 make sure you enter both name and password!
';}}else {print '';}require('footer.html');?>